Table 1.
Expression of Caveolin-1 Protein in Human Mesenchymal Tumors
| Histology | Histological grade | Number of samples | Mean staining intensity | % of stained cells | Mean score ± SEM |
|---|---|---|---|---|---|
| Fibroblastic tumors | |||||
| Fibromatoses | 5 | 3.0 | 83 | 11.4 ± 0.6 | |
| Fibrosarcoma | Grade 1 | 2 | 0.5 | 10 | 0.5 |
| Grade 2 | 1 | 0.0 | 0 | 0.0 | |
| Smooth muscle tissue tumors | |||||
| Leiomyoma | 7 | 2.7 | 88 | 11.1 ± 0.9 | |
| Leiomyosarcoma | Grade 1 | 4 | 2.0 | 45 | 5.3 ± 1.9 |
| Grade 2 | 8 | 1.0 | 21 | 2.4 ± 1.1 | |
| Grade 3 | 8 | 1.3 | 25 | 2.4 ± 1.1 | |
| Lipogenic tumors | |||||
| Lipoma | 4 | 3.0 | 92 | 12.0 | |
| Well-differentiated liposarcoma | 6 | 2.3 | 55 | 8.0 | |
| Myxoid/round cell liposarcoma | 14 | 1.2 | 11 | 0.9 | |
| Pleomorphic liposarcoma | 2 | 1.5 | 15 | 1.5 | |
| Vascular tumors | |||||
| Hemangioma | 6 | 3.0 | 100 | 12.0 | |
| Angiosarcoma | Grade 1 | 2 | 3.0 | 60 | 9.0 |
| Grade 2 | 1 | 3.0 | 50 | 6.0 | |
| Grade 3 | 5 | 1.8 | 54 | 4.0 ± 1.6 | |
| Malignant fibrous histiocytoma | Grade 2 | 6 | 2.2 | 45 | 5.0 ± 1.5 |
| Grade 3 | 12 | 1.4 | 22 | 2.7 ± 1.1 | |
| Synovial sarcoma | Grade 2 | 6 | 0.5 | 15 | 1.3 ± 1.0 |
| Grade 3 | 2 | 0.0 | 0 | 0.0 |
Score, obtained by multiplying the values of the immunoreaction intensity and relative abundance of caveolin-1-positive cells as described in Materials and Methods.